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Date November 2010 Marks available 1 Reference code 10N.1.sl.TZ0.17
Level SL Paper 1 Time zone TZ0
Command term Question number 17 Adapted from N/A

Question

A piece of zinc was added to aqueous nitric acid and the volume of hydrogen gas produced was measured every minute. The results are plotted on the graph below.

N10/4/CHEMI/SPM/ENG/TZ0/17_1

Which graph would you expect if the same mass of powdered zinc was added to nitric acid with the same concentration?

N10/4/CHEMI/SPM/ENG/TZ0/17_2

Markscheme

A

Examiners report

[N/A]

Syllabus sections

Core » Topic 6: Chemical kinetics » 6.1 Collision theory and rates of reaction
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